stem cell

American  

noun

Cell Biology.

1. a cell that upon division replaces its own numbers and also gives rise to cells that differentiate further into one or more specialized types, as various B cells and T cells.

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stem cell British  

noun

1. histology an undifferentiated cell that gives rise to specialized cells, such as blood cells

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stem cell Scientific  

1. An unspecialized cell found in fetuses, embryos, and some adult body tissues that has the potential to develop into specialized cells or divide into other stem cells. Stem cells from fetuses or embryos can develop into any type of differentiated cells, while those found in mature tissues develop only into specific cells. Stem cells can potentially be used to replace tissue damaged or destroyed by disease or injury, but the use of embryonic stem cells for this purpose is controversial.

2. Also called progenitor cell

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stem cell Cultural  

1. A cell from which a variety of other cells can develop through the process of cellular differentiation. Stem cells can produce only a certain group of cells (as with skin stem cells) or any cell in the body (as with embryonic stem cells).

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Discover More

A major controversy involves the question of whether nonembryonic stem cells should be used for medical purposes.

Etymology

Origin of stem cell

First recorded in 1880–85

Example Sentences

The study is testing whether specially prepared stem cells can be safely implanted into the brain to replace damaged cells and restore dopamine production.

From Science Daily

They used mouse stem cells, which are ideal for precise genetic editing and closely mirror how β-catenin signaling works in humans.

From Science Daily

Dylan needed a stem cell transplant and, after his parents were ruled out as donors, a suitable cord blood match was found.

From BBC

Inside the bone marrow are mesenchymal stem cells, which can develop into either bone tissue or fat cells.

From Science Daily

Sian, 56, said it was "very difficult to be upbeat" after being told last year she needed a stem cell transplant to survive, following a diagnosis of aggressive myelofibrosis.

From BBC